{'created': '2019-11-07T20:00:25.560Z',
 'created_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
 'description': 'Adversaries may abuse Microsoft Outlook rules to obtain '
                'persistence on a compromised system. Outlook rules allow a '
                'user to define automated behavior to manage email messages. A '
                'benign rule might, for example, automatically move an email '
                'to a particular folder in Outlook if it contains specific '
                'words from a specific sender. Malicious Outlook rules can be '
                'created that can trigger code execution when an adversary '
                'sends a specifically crafted email to that user.(Citation: '
                'SilentBreak Outlook Rules)\n'
                '\n'
                'Once malicious rules have been added to the user’s mailbox, '
                'they will be loaded when Outlook is started. Malicious rules '
                'will execute when an adversary sends a specifically crafted '
                'email to the user.(Citation: SilentBreak Outlook Rules)',
 'external_references': [{'external_id': 'T1137.005',
                          'source_name': 'mitre-attack',
                          'url': 'https://attack.mitre.org/techniques/T1137/005'},
                         {'description': 'Damian Pfammatter. (2018, September '
                                         '17). Hidden Inbox Rules in Microsoft '
                                         'Exchange. Retrieved October 12, '
                                         '2021.',
                          'source_name': 'Pfammatter - Hidden Inbox Rules',
                          'url': 'https://blog.compass-security.com/2018/09/hidden-inbox-rules-in-microsoft-exchange/'},
                         {'description': 'Fox, C., Vangel, D. (2018, April '
                                         '22). Detect and Remediate Outlook '
                                         'Rules and Custom Forms Injections '
                                         'Attacks in Office 365. Retrieved '
                                         'February 4, 2019.',
                          'source_name': 'Microsoft Detect Outlook Forms',
                          'url': 'https://docs.microsoft.com/en-us/office365/securitycompliance/detect-and-remediate-outlook-rules-forms-attack'},
                         {'description': 'Landers, N. (2015, December 4). '
                                         'Malicious Outlook Rules. Retrieved '
                                         'February 4, 2019.',
                          'source_name': 'SilentBreak Outlook Rules',
                          'url': 'https://silentbreaksecurity.com/malicious-outlook-rules/'},
                         {'description': 'SensePost. (2017, September 21). '
                                         'NotRuler - The opposite of Ruler, '
                                         'provides blue teams with the ability '
                                         'to detect Ruler usage against '
                                         'Exchange. Retrieved February 4, '
                                         '2019.',
                          'source_name': 'SensePost NotRuler',
                          'url': 'https://github.com/sensepost/notruler'}],
 'id': 'attack-pattern--3d1b9d7e-3921-4d25-845a-7d9f15c0da44',
 'kill_chain_phases': [{'kill_chain_name': 'mitre-attack',
                        'phase_name': 'persistence'}],
 'modified': '2025-10-24T17:48:41.026Z',
 'name': 'Outlook Rules',
 'object_marking_refs': ['marking-definition--fa42a846-8d90-4e51-bc29-71d5b4802168'],
 'revoked': False,
 'spec_version': '2.1',
 'type': 'attack-pattern',
 'x_mitre_attack_spec_version': '3.2.0',
 'x_mitre_contributors': ['Microsoft Security'],
 'x_mitre_deprecated': False,
 'x_mitre_detection': '',
 'x_mitre_domains': ['enterprise-attack'],
 'x_mitre_is_subtechnique': True,
 'x_mitre_modified_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
 'x_mitre_platforms': ['Windows', 'Office Suite'],
 'x_mitre_version': '1.2'}